body{
	margin: 0;
	padding: 0;
	font-family: 'Microsoft Yahei';
}
.demo-head{
	width: 100%;
	height: 240px;
	background-color: pink;
	color: #333;
	padding-top: 120px;
	
	background-image: url(img/bg.jpg);
}
.demo-head .title{
	font-size: 40px;
	margin-left: 100px;
	font-weight: 700;
}
.demo-head .sub-title{
	font-size: 24px;
	line-height: 76px;
	margin-left: 100px;
}
.demo-container{
	width: 900px;
	min-height: 1000px;
	margin: 40px auto;
	
	padding:5px 10px;
	
	background-color: #fff;
}

.demo-container h1{
	text-align: center;
	color: #a25b85;
}
ul{
	color: #a25b85;
	line-height: 27px;
}
.demo-head .download{
	display: block;
	width: 120px;
	height: 46px;
	background-color: #0cd3ec;
	color: #fff;
	text-decoration: none;
	font-size: 22px;
	text-align: center;
	border-radius: 5px;
	line-height: 46px;
	margin-left: 100px;
	-moz-box-shadow: 3px 3px 5px rgba(33,33,33,0.7);
	-webkit-box-shadow: 3px 3px 5px rgba(33,33,33,0.7);
	box-shadow: 3px 3px 5px rgba(33,33,33,0.7);
}
.demo-head .download:hover{
	background: #0badc1;
}
ul.description{padding-left: 20px;}
ul.description li{list-style:decimal;}